./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/a.10-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5fbdf5bf Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-memory-alloca/a.10-alloca.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fe0a03f8bb40d3c8ee514a7c216e0c7ba9f8c793 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-31 01:34:51,907 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 01:34:51,910 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 01:34:51,950 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 01:34:51,951 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 01:34:51,954 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 01:34:51,956 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 01:34:51,961 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 01:34:51,963 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 01:34:51,967 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 01:34:51,968 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 01:34:51,971 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 01:34:51,972 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 01:34:51,974 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 01:34:51,975 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 01:34:51,977 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 01:34:51,977 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 01:34:51,978 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 01:34:51,979 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 01:34:51,983 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 01:34:51,985 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 01:34:51,986 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 01:34:51,988 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 01:34:51,989 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 01:34:52,001 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 01:34:52,002 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 01:34:52,002 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 01:34:52,003 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 01:34:52,004 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 01:34:52,005 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 01:34:52,005 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 01:34:52,005 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 01:34:52,007 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 01:34:52,008 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 01:34:52,009 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 01:34:52,009 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 01:34:52,010 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 01:34:52,010 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 01:34:52,010 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 01:34:52,012 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 01:34:52,012 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 01:34:52,016 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-08-31 01:34:52,054 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 01:34:52,054 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 01:34:52,055 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 01:34:52,055 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 01:34:52,057 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 01:34:52,057 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 01:34:52,058 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 01:34:52,058 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 01:34:52,058 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 01:34:52,058 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 01:34:52,059 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 01:34:52,059 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 01:34:52,059 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 01:34:52,059 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 01:34:52,059 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 01:34:52,060 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 01:34:52,060 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 01:34:52,060 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 01:34:52,060 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 01:34:52,060 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 01:34:52,060 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 01:34:52,060 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 01:34:52,061 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 01:34:52,061 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 01:34:52,061 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 01:34:52,061 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 01:34:52,061 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 01:34:52,061 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 01:34:52,061 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 01:34:52,063 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 01:34:52,063 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe0a03f8bb40d3c8ee514a7c216e0c7ba9f8c793 [2021-08-31 01:34:52,377 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 01:34:52,395 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 01:34:52,397 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 01:34:52,398 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 01:34:52,399 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 01:34:52,400 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/a.10-alloca.i [2021-08-31 01:34:52,459 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/498f388ea/02234e677012452494a3325d401818a8/FLAG7b95142c2 [2021-08-31 01:34:52,928 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 01:34:52,929 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/a.10-alloca.i [2021-08-31 01:34:52,940 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/498f388ea/02234e677012452494a3325d401818a8/FLAG7b95142c2 [2021-08-31 01:34:53,427 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/498f388ea/02234e677012452494a3325d401818a8 [2021-08-31 01:34:53,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 01:34:53,430 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 01:34:53,431 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 01:34:53,431 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 01:34:53,434 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 01:34:53,434 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 01:34:53" (1/1) ... [2021-08-31 01:34:53,435 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f9b0c13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:34:53, skipping insertion in model container [2021-08-31 01:34:53,435 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 01:34:53" (1/1) ... [2021-08-31 01:34:53,454 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 01:34:53,498 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 01:34:53,679 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 01:34:53,691 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 01:34:53,758 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 01:34:53,783 INFO L208 MainTranslator]: Completed translation [2021-08-31 01:34:53,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:34:53 WrapperNode [2021-08-31 01:34:53,783 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 01:34:53,785 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 01:34:53,785 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 01:34:53,785 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 01:34:53,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:34:53" (1/1) ... [2021-08-31 01:34:53,812 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:34:53" (1/1) ... [2021-08-31 01:34:53,834 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 01:34:53,835 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 01:34:53,835 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 01:34:53,835 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 01:34:53,842 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:34:53" (1/1) ... [2021-08-31 01:34:53,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:34:53" (1/1) ... [2021-08-31 01:34:53,856 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:34:53" (1/1) ... [2021-08-31 01:34:53,856 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:34:53" (1/1) ... [2021-08-31 01:34:53,859 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:34:53" (1/1) ... [2021-08-31 01:34:53,862 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:34:53" (1/1) ... [2021-08-31 01:34:53,863 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:34:53" (1/1) ... [2021-08-31 01:34:53,864 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 01:34:53,865 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 01:34:53,865 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 01:34:53,865 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 01:34:53,866 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:34:53" (1/1) ... [2021-08-31 01:34:53,881 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:53,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:53,902 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:34:53,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-08-31 01:34:53,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-31 01:34:53,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-31 01:34:53,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 01:34:53,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-31 01:34:53,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 01:34:53,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 01:34:54,158 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 01:34:54,158 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-08-31 01:34:54,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 01:34:54 BoogieIcfgContainer [2021-08-31 01:34:54,159 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 01:34:54,160 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 01:34:54,160 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 01:34:54,163 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 01:34:54,164 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 01:34:54,164 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 01:34:53" (1/3) ... [2021-08-31 01:34:54,165 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7920a3cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 01:34:54, skipping insertion in model container [2021-08-31 01:34:54,165 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 01:34:54,165 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:34:53" (2/3) ... [2021-08-31 01:34:54,165 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7920a3cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 01:34:54, skipping insertion in model container [2021-08-31 01:34:54,165 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 01:34:54,165 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 01:34:54" (3/3) ... [2021-08-31 01:34:54,167 INFO L389 chiAutomizerObserver]: Analyzing ICFG a.10-alloca.i [2021-08-31 01:34:54,214 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 01:34:54,214 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 01:34:54,214 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 01:34:54,214 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 01:34:54,214 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 01:34:54,214 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 01:34:54,215 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 01:34:54,215 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 01:34:54,226 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:34:54,247 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-31 01:34:54,247 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:34:54,247 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:34:54,252 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-08-31 01:34:54,253 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-31 01:34:54,253 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 01:34:54,253 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:34:54,256 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-31 01:34:54,256 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:34:54,256 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:34:54,256 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-08-31 01:34:54,257 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-31 01:34:54,262 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 10#L-1true havoc main_#res;havoc main_#t~nondet12, main_#t~nondet13, main_#t~ret14;test_fun_#in~x, test_fun_#in~y := main_#t~nondet12, main_#t~nondet13;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~mem10, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~mem11, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 8#L556-2true [2021-08-31 01:34:54,263 INFO L793 eck$LassoCheckResult]: Loop: 8#L556-2true call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 11#L555-1true assume !!!(test_fun_#t~mem5 == test_fun_#t~mem6);havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;call test_fun_#t~mem7 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 7#L556true assume !(test_fun_#t~mem7 > test_fun_#t~mem8);havoc test_fun_#t~mem7;havoc test_fun_#t~mem8;call test_fun_#t~mem10 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem10, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem10; 8#L556-2true [2021-08-31 01:34:54,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:34:54,269 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-08-31 01:34:54,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:34:54,277 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870672152] [2021-08-31 01:34:54,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:34:54,278 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:34:54,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:34:54,423 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:34:54,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:34:54,482 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:34:54,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:34:54,486 INFO L82 PathProgramCache]: Analyzing trace with hash 36907, now seen corresponding path program 1 times [2021-08-31 01:34:54,487 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:34:54,487 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126454418] [2021-08-31 01:34:54,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:34:54,488 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:34:54,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:34:54,516 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:34:54,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:34:54,524 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:34:54,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:34:54,525 INFO L82 PathProgramCache]: Analyzing trace with hash 28695849, now seen corresponding path program 1 times [2021-08-31 01:34:54,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:34:54,526 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307219579] [2021-08-31 01:34:54,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:34:54,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:34:54,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:34:54,546 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:34:54,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:34:54,594 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:34:55,315 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 01:34:55,316 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 01:34:55,316 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 01:34:55,316 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 01:34:55,316 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 01:34:55,317 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:55,317 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 01:34:55,317 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 01:34:55,317 INFO L133 ssoRankerPreferences]: Filename of dumped script: a.10-alloca.i_Iteration1_Lasso [2021-08-31 01:34:55,317 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 01:34:55,318 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 01:34:55,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:55,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:55,361 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:55,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:55,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:55,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:55,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:55,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:55,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:55,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:55,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:55,766 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:55,769 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:55,772 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:55,774 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:55,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:55,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:56,191 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 01:34:56,195 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 01:34:56,202 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:56,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:56,204 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:34:56,212 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:34:56,220 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:34:56,221 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:34:56,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:34:56,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:34:56,221 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:34:56,223 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:34:56,223 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:34:56,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-08-31 01:34:56,241 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:34:56,267 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-08-31 01:34:56,267 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:56,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:56,274 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:34:56,280 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-08-31 01:34:56,282 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:34:56,291 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:34:56,291 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:34:56,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:34:56,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:34:56,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:34:56,292 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:34:56,292 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:34:56,316 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:34:56,340 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-08-31 01:34:56,341 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:56,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:56,345 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:34:56,347 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-08-31 01:34:56,348 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:34:56,357 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:34:56,357 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:34:56,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:34:56,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:34:56,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:34:56,359 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:34:56,359 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:34:56,372 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:34:56,398 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-08-31 01:34:56,399 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:56,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:56,400 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:34:56,401 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-08-31 01:34:56,403 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:34:56,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:34:56,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:34:56,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:34:56,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:34:56,423 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:34:56,423 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:34:56,456 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 01:34:56,493 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2021-08-31 01:34:56,493 INFO L444 ModelExtractionUtils]: 8 out of 28 variables were initially zero. Simplification set additionally 15 variables to zero. [2021-08-31 01:34:56,494 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:56,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:56,497 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:34:56,498 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-08-31 01:34:56,499 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 01:34:56,518 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-08-31 01:34:56,518 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 01:34:56,519 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_fun_~y, v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1) = 1*ULTIMATE.start_test_fun_~y - 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1 Supporting invariants [1*ULTIMATE.start_test_fun_~y - 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1 >= 0] [2021-08-31 01:34:56,543 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-08-31 01:34:56,611 INFO L297 tatePredicateManager]: 20 out of 21 supporting invariants were superfluous and have been removed [2021-08-31 01:34:56,624 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-08-31 01:34:56,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:34:56,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:34:56,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-31 01:34:56,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:34:56,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:34:56,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 12 conjunts are in the unsatisfiable core [2021-08-31 01:34:56,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:34:56,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 01:34:56,826 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-08-31 01:34:56,827 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:34:56,936 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 31 states and 36 transitions. Complement of second has 10 states. [2021-08-31 01:34:56,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-08-31 01:34:56,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:34:56,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 15 transitions. [2021-08-31 01:34:56,943 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 2 letters. Loop has 3 letters. [2021-08-31 01:34:56,944 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:34:56,944 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 5 letters. Loop has 3 letters. [2021-08-31 01:34:56,944 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:34:56,944 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 2 letters. Loop has 6 letters. [2021-08-31 01:34:56,944 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:34:56,945 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 36 transitions. [2021-08-31 01:34:56,947 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-31 01:34:56,949 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 11 states and 14 transitions. [2021-08-31 01:34:56,950 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2021-08-31 01:34:56,950 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2021-08-31 01:34:56,951 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2021-08-31 01:34:56,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 01:34:56,951 INFO L681 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2021-08-31 01:34:56,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2021-08-31 01:34:56,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2021-08-31 01:34:56,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:34:56,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2021-08-31 01:34:56,970 INFO L704 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2021-08-31 01:34:56,970 INFO L587 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2021-08-31 01:34:56,970 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 01:34:56,971 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2021-08-31 01:34:56,971 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-31 01:34:56,971 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:34:56,971 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:34:56,972 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-08-31 01:34:56,972 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-31 01:34:56,972 INFO L791 eck$LassoCheckResult]: Stem: 177#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 178#L-1 havoc main_#res;havoc main_#t~nondet12, main_#t~nondet13, main_#t~ret14;test_fun_#in~x, test_fun_#in~y := main_#t~nondet12, main_#t~nondet13;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~mem10, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~mem11, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 186#L556-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 185#L555-1 assume !!!(test_fun_#t~mem5 == test_fun_#t~mem6);havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;call test_fun_#t~mem7 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 179#L556 assume test_fun_#t~mem7 > test_fun_#t~mem8;havoc test_fun_#t~mem7;havoc test_fun_#t~mem8;call test_fun_#t~mem9 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem9, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem9; 180#L556-2 [2021-08-31 01:34:56,972 INFO L793 eck$LassoCheckResult]: Loop: 180#L556-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 183#L555-1 assume !!!(test_fun_#t~mem5 == test_fun_#t~mem6);havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;call test_fun_#t~mem7 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 187#L556 assume !(test_fun_#t~mem7 > test_fun_#t~mem8);havoc test_fun_#t~mem7;havoc test_fun_#t~mem8;call test_fun_#t~mem10 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem10, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem10; 180#L556-2 [2021-08-31 01:34:56,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:34:56,972 INFO L82 PathProgramCache]: Analyzing trace with hash 28695847, now seen corresponding path program 1 times [2021-08-31 01:34:56,973 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:34:56,973 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237290742] [2021-08-31 01:34:56,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:34:56,973 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:34:56,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:34:56,995 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:34:57,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:34:57,024 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:34:57,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:34:57,026 INFO L82 PathProgramCache]: Analyzing trace with hash 36907, now seen corresponding path program 2 times [2021-08-31 01:34:57,026 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:34:57,027 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201261781] [2021-08-31 01:34:57,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:34:57,027 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:34:57,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:34:57,035 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:34:57,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:34:57,050 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:34:57,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:34:57,052 INFO L82 PathProgramCache]: Analyzing trace with hash 179493189, now seen corresponding path program 1 times [2021-08-31 01:34:57,052 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:34:57,052 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470797301] [2021-08-31 01:34:57,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:34:57,052 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:34:57,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:34:57,251 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 01:34:57,251 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 01:34:57,252 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470797301] [2021-08-31 01:34:57,252 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470797301] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-31 01:34:57,252 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1908070735] [2021-08-31 01:34:57,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:34:57,253 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-31 01:34:57,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:57,254 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-31 01:34:57,286 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-31 01:34:57,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:34:57,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 20 conjunts are in the unsatisfiable core [2021-08-31 01:34:57,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:34:57,422 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-08-31 01:34:57,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 24 [2021-08-31 01:34:57,527 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-08-31 01:34:57,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 20 [2021-08-31 01:34:57,548 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 01:34:57,554 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-31 01:34:57,647 INFO L354 Elim1Store]: treesize reduction 10, result has 9.1 percent of original size [2021-08-31 01:34:57,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 1 [2021-08-31 01:34:57,655 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 01:34:57,656 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1908070735] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-31 01:34:57,656 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-31 01:34:57,656 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 5] total 12 [2021-08-31 01:34:57,657 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928870849] [2021-08-31 01:34:57,718 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 01:34:57,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-08-31 01:34:57,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-08-31 01:34:57,722 INFO L87 Difference]: Start difference. First operand 11 states and 14 transitions. cyclomatic complexity: 5 Second operand has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 13 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:34:57,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 01:34:57,842 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2021-08-31 01:34:57,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-31 01:34:57,843 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 13 transitions. [2021-08-31 01:34:57,844 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-31 01:34:57,844 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 11 states and 13 transitions. [2021-08-31 01:34:57,844 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-08-31 01:34:57,844 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2021-08-31 01:34:57,845 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 13 transitions. [2021-08-31 01:34:57,845 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 01:34:57,845 INFO L681 BuchiCegarLoop]: Abstraction has 11 states and 13 transitions. [2021-08-31 01:34:57,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 13 transitions. [2021-08-31 01:34:57,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2021-08-31 01:34:57,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:34:57,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2021-08-31 01:34:57,846 INFO L704 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2021-08-31 01:34:57,846 INFO L587 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2021-08-31 01:34:57,847 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-31 01:34:57,847 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 11 transitions. [2021-08-31 01:34:57,847 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-31 01:34:57,847 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:34:57,847 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:34:57,848 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-08-31 01:34:57,848 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-31 01:34:57,848 INFO L791 eck$LassoCheckResult]: Stem: 263#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 264#L-1 havoc main_#res;havoc main_#t~nondet12, main_#t~nondet13, main_#t~ret14;test_fun_#in~x, test_fun_#in~y := main_#t~nondet12, main_#t~nondet13;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~mem10, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~mem11, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 271#L556-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 269#L555-1 [2021-08-31 01:34:57,848 INFO L793 eck$LassoCheckResult]: Loop: 269#L555-1 assume !!!(test_fun_#t~mem5 == test_fun_#t~mem6);havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;call test_fun_#t~mem7 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 265#L556 assume test_fun_#t~mem7 > test_fun_#t~mem8;havoc test_fun_#t~mem7;havoc test_fun_#t~mem8;call test_fun_#t~mem9 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem9, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem9; 266#L556-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 269#L555-1 [2021-08-31 01:34:57,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:34:57,849 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-08-31 01:34:57,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:34:57,849 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125388704] [2021-08-31 01:34:57,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:34:57,849 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:34:57,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:34:57,858 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:34:57,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:34:57,868 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:34:57,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:34:57,869 INFO L82 PathProgramCache]: Analyzing trace with hash 41795, now seen corresponding path program 1 times [2021-08-31 01:34:57,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:34:57,869 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477203864] [2021-08-31 01:34:57,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:34:57,869 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:34:57,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:34:57,873 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:34:57,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:34:57,878 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:34:57,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:34:57,878 INFO L82 PathProgramCache]: Analyzing trace with hash 889571264, now seen corresponding path program 2 times [2021-08-31 01:34:57,879 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:34:57,879 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687968902] [2021-08-31 01:34:57,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:34:57,879 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:34:57,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:34:57,887 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:34:57,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:34:57,902 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:34:58,432 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 01:34:58,432 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 01:34:58,432 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 01:34:58,432 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 01:34:58,432 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 01:34:58,432 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:58,432 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 01:34:58,432 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 01:34:58,432 INFO L133 ssoRankerPreferences]: Filename of dumped script: a.10-alloca.i_Iteration3_Lasso [2021-08-31 01:34:58,433 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 01:34:58,433 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 01:34:58,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:58,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:58,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:58,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:58,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:58,445 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:58,447 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:58,746 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:58,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:58,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:58,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:58,764 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:58,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:58,768 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:58,771 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:59,157 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 01:34:59,158 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 01:34:59,158 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:59,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:59,167 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:34:59,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-08-31 01:34:59,172 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:34:59,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:34:59,179 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:34:59,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:34:59,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:34:59,179 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:34:59,180 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:34:59,180 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:34:59,184 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:34:59,204 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-08-31 01:34:59,204 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:59,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:59,206 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:34:59,206 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-08-31 01:34:59,210 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:34:59,218 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:34:59,218 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:34:59,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:34:59,218 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:34:59,221 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:34:59,221 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:34:59,230 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:34:59,257 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-08-31 01:34:59,258 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:59,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:59,259 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:34:59,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-08-31 01:34:59,265 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:34:59,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:34:59,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:34:59,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:34:59,274 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:34:59,275 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:34:59,275 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:34:59,288 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:34:59,315 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-08-31 01:34:59,316 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:59,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:59,321 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:34:59,322 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-08-31 01:34:59,324 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:34:59,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:34:59,331 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:34:59,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:34:59,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:34:59,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:34:59,332 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:34:59,332 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:34:59,341 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:34:59,363 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-08-31 01:34:59,363 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:59,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:59,364 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:34:59,366 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-08-31 01:34:59,367 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:34:59,374 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:34:59,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:34:59,374 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:34:59,374 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:34:59,375 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:34:59,375 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:34:59,384 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:34:59,401 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-08-31 01:34:59,401 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:59,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:59,402 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:34:59,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-08-31 01:34:59,404 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:34:59,410 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:34:59,410 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:34:59,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:34:59,411 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:34:59,412 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:34:59,412 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:34:59,416 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:34:59,432 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-08-31 01:34:59,433 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:59,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:59,433 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:34:59,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-08-31 01:34:59,435 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:34:59,441 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:34:59,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:34:59,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:34:59,442 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:34:59,443 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:34:59,443 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:34:59,448 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:34:59,464 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-08-31 01:34:59,464 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:59,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:59,465 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:34:59,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-08-31 01:34:59,467 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:34:59,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:34:59,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:34:59,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:34:59,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:34:59,476 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:34:59,476 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:34:59,491 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:34:59,509 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-08-31 01:34:59,509 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:59,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:59,510 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:34:59,522 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-08-31 01:34:59,523 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:34:59,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:34:59,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:34:59,530 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-08-31 01:34:59,530 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:34:59,550 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-08-31 01:34:59,550 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-08-31 01:34:59,592 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 01:34:59,636 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-08-31 01:34:59,636 INFO L444 ModelExtractionUtils]: 24 out of 56 variables were initially zero. Simplification set additionally 29 variables to zero. [2021-08-31 01:34:59,637 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:59,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:59,638 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:34:59,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-08-31 01:34:59,640 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 01:34:59,658 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2021-08-31 01:34:59,658 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 01:34:59,658 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_2, v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_2 - 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_2 Supporting invariants [] [2021-08-31 01:34:59,684 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-08-31 01:34:59,747 INFO L297 tatePredicateManager]: 20 out of 20 supporting invariants were superfluous and have been removed [2021-08-31 01:34:59,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:34:59,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:34:59,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-31 01:34:59,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:34:59,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:34:59,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-31 01:34:59,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:34:59,827 INFO L354 Elim1Store]: treesize reduction 29, result has 37.0 percent of original size [2021-08-31 01:34:59,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 34 [2021-08-31 01:34:59,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 01:34:59,850 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-08-31 01:34:59,850 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states and 11 transitions. cyclomatic complexity: 4 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:34:59,866 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states and 11 transitions. cyclomatic complexity: 4. Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 19 states and 21 transitions. Complement of second has 7 states. [2021-08-31 01:34:59,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-08-31 01:34:59,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:34:59,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 7 transitions. [2021-08-31 01:34:59,869 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 3 letters. Loop has 3 letters. [2021-08-31 01:34:59,869 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:34:59,869 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 6 letters. Loop has 3 letters. [2021-08-31 01:34:59,869 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:34:59,869 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 3 letters. Loop has 6 letters. [2021-08-31 01:34:59,869 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:34:59,870 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 21 transitions. [2021-08-31 01:34:59,870 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-31 01:34:59,871 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 11 states and 12 transitions. [2021-08-31 01:34:59,871 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2021-08-31 01:34:59,871 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2021-08-31 01:34:59,871 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 12 transitions. [2021-08-31 01:34:59,871 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 01:34:59,871 INFO L681 BuchiCegarLoop]: Abstraction has 11 states and 12 transitions. [2021-08-31 01:34:59,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 12 transitions. [2021-08-31 01:34:59,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2021-08-31 01:34:59,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:34:59,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2021-08-31 01:34:59,873 INFO L704 BuchiCegarLoop]: Abstraction has 9 states and 10 transitions. [2021-08-31 01:34:59,873 INFO L587 BuchiCegarLoop]: Abstraction has 9 states and 10 transitions. [2021-08-31 01:34:59,873 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-08-31 01:34:59,873 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 10 transitions. [2021-08-31 01:34:59,873 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-31 01:34:59,873 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:34:59,873 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:34:59,874 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1] [2021-08-31 01:34:59,874 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-31 01:34:59,874 INFO L791 eck$LassoCheckResult]: Stem: 414#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 415#L-1 havoc main_#res;havoc main_#t~nondet12, main_#t~nondet13, main_#t~ret14;test_fun_#in~x, test_fun_#in~y := main_#t~nondet12, main_#t~nondet13;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~mem10, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~mem11, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 420#L556-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 421#L555-1 assume !!!(test_fun_#t~mem5 == test_fun_#t~mem6);havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;call test_fun_#t~mem7 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 418#L556 assume !(test_fun_#t~mem7 > test_fun_#t~mem8);havoc test_fun_#t~mem7;havoc test_fun_#t~mem8;call test_fun_#t~mem10 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem10, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem10; 419#L556-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 422#L555-1 [2021-08-31 01:34:59,874 INFO L793 eck$LassoCheckResult]: Loop: 422#L555-1 assume !!!(test_fun_#t~mem5 == test_fun_#t~mem6);havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;call test_fun_#t~mem7 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 416#L556 assume test_fun_#t~mem7 > test_fun_#t~mem8;havoc test_fun_#t~mem7;havoc test_fun_#t~mem8;call test_fun_#t~mem9 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem9, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem9; 417#L556-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 422#L555-1 [2021-08-31 01:34:59,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:34:59,875 INFO L82 PathProgramCache]: Analyzing trace with hash 889571326, now seen corresponding path program 2 times [2021-08-31 01:34:59,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:34:59,875 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812305058] [2021-08-31 01:34:59,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:34:59,875 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:34:59,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:34:59,884 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:34:59,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:34:59,893 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:34:59,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:34:59,894 INFO L82 PathProgramCache]: Analyzing trace with hash 41795, now seen corresponding path program 2 times [2021-08-31 01:34:59,894 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:34:59,894 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342352322] [2021-08-31 01:34:59,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:34:59,895 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:34:59,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:34:59,898 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:34:59,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:34:59,901 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:34:59,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:34:59,902 INFO L82 PathProgramCache]: Analyzing trace with hash 1271168550, now seen corresponding path program 2 times [2021-08-31 01:34:59,902 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:34:59,902 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193538105] [2021-08-31 01:34:59,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:34:59,903 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:34:59,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:35:00,007 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 01:35:00,008 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 01:35:00,008 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193538105] [2021-08-31 01:35:00,008 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193538105] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-31 01:35:00,008 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [415214891] [2021-08-31 01:35:00,008 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-31 01:35:00,009 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-31 01:35:00,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:00,010 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-31 01:35:00,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-08-31 01:35:00,067 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-31 01:35:00,067 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-31 01:35:00,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 20 conjunts are in the unsatisfiable core [2021-08-31 01:35:00,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:35:00,128 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-08-31 01:35:00,206 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-08-31 01:35:00,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 28 [2021-08-31 01:35:00,269 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-08-31 01:35:00,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 22 [2021-08-31 01:35:00,286 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 01:35:00,286 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-31 01:35:00,352 INFO L354 Elim1Store]: treesize reduction 10, result has 9.1 percent of original size [2021-08-31 01:35:00,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 1 [2021-08-31 01:35:00,356 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 01:35:00,356 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [415214891] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-31 01:35:00,356 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-31 01:35:00,356 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 6] total 13 [2021-08-31 01:35:00,356 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597552324] [2021-08-31 01:35:00,424 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 01:35:00,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-08-31 01:35:00,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2021-08-31 01:35:00,425 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. cyclomatic complexity: 3 Second operand has 13 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:35:00,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 01:35:00,531 INFO L93 Difference]: Finished difference Result 10 states and 10 transitions. [2021-08-31 01:35:00,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-31 01:35:00,532 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 10 transitions. [2021-08-31 01:35:00,533 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-31 01:35:00,533 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 0 states and 0 transitions. [2021-08-31 01:35:00,533 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-31 01:35:00,533 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-31 01:35:00,533 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-31 01:35:00,533 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 01:35:00,533 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 01:35:00,533 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 01:35:00,533 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 01:35:00,533 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-08-31 01:35:00,534 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-08-31 01:35:00,534 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-31 01:35:00,534 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-31 01:35:00,536 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoopBenchmark.prettyprintBenchmarkData(BuchiCegarLoopBenchmark.java:178) at de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData.toString(StatisticsData.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerTimingBenchmark.toString(BuchiAutomizerTimingBenchmark.java:44) at de.uni_freiburg.informatik.ultimate.core.lib.results.StatisticsResult.getLongDescription(StatisticsResult.java:58) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.reportResult(BuchiAutomizerObserver.java:375) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:161) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:398) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-08-31 01:35:00,539 INFO L158 Benchmark]: Toolchain (without parser) took 7109.05ms. Allocated memory was 62.9MB in the beginning and 96.5MB in the end (delta: 33.6MB). Free memory was 42.1MB in the beginning and 34.4MB in the end (delta: 7.6MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2021-08-31 01:35:00,539 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 62.9MB. Free memory was 43.6MB in the beginning and 43.6MB in the end (delta: 32.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 01:35:00,540 INFO L158 Benchmark]: CACSL2BoogieTranslator took 353.19ms. Allocated memory is still 62.9MB. Free memory was 41.9MB in the beginning and 42.0MB in the end (delta: -144.5kB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2021-08-31 01:35:00,540 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.78ms. Allocated memory is still 62.9MB. Free memory was 42.0MB in the beginning and 40.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 01:35:00,541 INFO L158 Benchmark]: Boogie Preprocessor took 29.36ms. Allocated memory is still 62.9MB. Free memory was 40.4MB in the beginning and 39.2MB in the end (delta: 1.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-08-31 01:35:00,541 INFO L158 Benchmark]: RCFGBuilder took 294.33ms. Allocated memory is still 62.9MB. Free memory was 39.0MB in the beginning and 29.7MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-08-31 01:35:00,542 INFO L158 Benchmark]: BuchiAutomizer took 6378.06ms. Allocated memory was 62.9MB in the beginning and 96.5MB in the end (delta: 33.6MB). Free memory was 29.5MB in the beginning and 34.4MB in the end (delta: -4.9MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. [2021-08-31 01:35:00,543 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 62.9MB. Free memory was 43.6MB in the beginning and 43.6MB in the end (delta: 32.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 353.19ms. Allocated memory is still 62.9MB. Free memory was 41.9MB in the beginning and 42.0MB in the end (delta: -144.5kB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.78ms. Allocated memory is still 62.9MB. Free memory was 42.0MB in the beginning and 40.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.36ms. Allocated memory is still 62.9MB. Free memory was 40.4MB in the beginning and 39.2MB in the end (delta: 1.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 294.33ms. Allocated memory is still 62.9MB. Free memory was 39.0MB in the beginning and 29.7MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 6378.06ms. Allocated memory was 62.9MB in the beginning and 96.5MB in the end (delta: 33.6MB). Free memory was 29.5MB in the beginning and 34.4MB in the end (delta: -4.9MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * unknown-#memory_int-unknown[x_ref][x_ref] + y and consists of 6 locations. One deterministic module has affine ranking function -1 * unknown-#memory_int-unknown[y_ref][y_ref] + unknown-#memory_int-unknown[x_ref][x_ref] and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 13 locations. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6): de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoopBenchmark.prettyprintBenchmarkData(BuchiCegarLoopBenchmark.java:178) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-08-31 01:35:00,578 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2021-08-31 01:35:00,795 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-08-31 01:35:00,995 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...